package com.tarena.charging.device.mapper;

import com.alibaba.nacos.shaded.org.checkerframework.checker.index.qual.SameLen;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.tarena.charging.device.po.StationPO;
import org.apache.ibatis.annotations.Select;

public interface TestMapper extends BaseMapper<StationPO> {
    @Select("select count(0) from charging_station")
    public Long getTotal();
}
